Double direction matrix based sparse representation for face recognition.
Jian-Xun MiZhiheng LuoQiankun FuAilian HePublished in: SPAC (2017)
Keyphrases
- sparse representation
- face recognition
- reconstruction error
- dictionary learning
- sparse coding
- object tracking
- compressive sensing
- image classification
- signal processing
- random projections
- negative matrix factorization
- joint optimization
- subspace learning
- compressed sensing
- sparse approximations
- principal component analysis
- positive definite
- linear discriminant analysis
- test images
- high dimensional data
- singular value decomposition
- singular values
- machine learning
- sparse reconstruction
- image representation
- image patches
- dimensionality reduction
- face images
- facial expressions
- pattern recognition
- face recognition systems
- nearest neighbor
- gabor features
- image segmentation
- computer vision
- face recognition algorithms
- robust face recognition
- sparse learning
- data sets